Count Guillaume of Blois

Count Guillaume of Blois (1070-1130) was the Count of Blois from 1102 to 1107, succeeding Count Etienne of Blois and preceding Thibault II of Champagne.

Biography
Guillaume was born in 1070 to Count Etienne of Blois and Baroness Adele of Beaumont. He married Countess Agnes of Sully, and in 1102 he became the Count of Blois and Chartres as well as being the jure uxoris count of Sully. In 1107 Thibault II of Champagne, his brother, succeeded him due to Guillaume becoming incapable due to his mental illness. He retired to Sully, where he died in 1130.